Created
March 7, 2014 03:18
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Node.js でアニメGIF生成
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var fs = require('fs'); | |
var Canvas = require('canvas'); | |
var GIFEncoder = require('gifencoder'); | |
var encoder = new GIFEncoder(320, 240); | |
encoder.start(); | |
encoder.setRepeat(0); | |
encoder.setDelay(500); | |
encoder.setQuality(10); | |
var canvas = new Canvas(320, 240); | |
var ctx = canvas.getContext('2d'); | |
ctx.fillStyle = '#ff0000'; | |
ctx.fillRect(0, 0, 320, 240); | |
encoder.addFrame(ctx); | |
ctx.fillStyle = '#00ff00'; | |
ctx.fillRect(0, 0, 320, 240); | |
encoder.addFrame(ctx); | |
ctx.fillStyle = '#0000ff'; | |
ctx.fillRect(0, 0, 320, 240); | |
encoder.addFrame(ctx); | |
encoder.finish(); | |
var data = encoder.out.getData(); | |
// gifencoder のREADMEには | |
// encoder.stream().getData(); | |
// とあるけど、それでは動かないので注意 | |
fs.writeFile('./anime.gif', data, function(err){ | |
if (err) throw err; | |
console.log('Saved!'); | |
}); | |
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